<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8">
		<title>if小知识</title>
	</head>
	<body>
	</body>
	<script type="text/javascript">
		var score = 80;
		if(score >=60)
		    console.log('等分及格');
		else
		    console.log('得分不及格');
		
		console.log('我是来捣乱的');
		
	</script>
</html>
